Gear pressing mechanism in gear deburring equipment

Abstract

The utility model provides a gear pressing mechanism in gear deburring equipment, and belongs to the technical field of machinery. The problem that an existing pressing mechanism affects the machining precision is solved. The gear pressing mechanism in the gear deburring equipment comprises a support, an air cylinder vertically arranged on the support and a positioning block arranged below the air cylinder, the positioning block is rotationally connected with a piston rod of the air cylinder, a buffer block made of polyurethane materials is attached to and fixed to the bottom face of the positioning block, and the bottom face of the buffer block is a plane. And the buffer block is circumferentially matched with the positioning block through a linkage structure. According to the gear pressing mechanism in the gear deburring equipment, the gear machining precision can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology and relates to a gear deburring device, particularly a gear clamping mechanism in a gear deburring device. Background Technology

[0002] Gear deburring equipment is a specialized device used to remove burrs (tiny metal or non-metal residues) generated during gear processing.

[0003] Existing deburring equipment, such as the automated gear deburring device disclosed in the Chinese Patent Database (application number: 202011634785.X), includes a worktable. The automated gear deburring device comprises a gear rotating mechanism mounted on the worktable and a burr cleaning mechanism mounted on the worktable. The gear rotating mechanism includes a gear drive device mounted on the worktable, a mounting plate mounted on the gear drive device, and a gear mounting component rotatably connected to the mounting plate. The burr cleaning mechanism includes a moving unit mounted on the worktable and a component mounted on the moving unit. The moving unit includes a burr removal unit on the worktable, a lifting device on the moving mechanism, a burr removal drive on the lifting device, and a brush rotating assembly connected to the burr removal drive. The gear rotating mechanism also includes a gear pressing unit on the mounting plate, the gear pressing unit including a support frame, a pressing drive cylinder on the support frame, and a pressing head on the pressing drive cylinder, the pressing head coinciding with the central axis of the gear mounting component.

[0004] In the aforementioned deburring device, the pressing head used to hold down the gear workpiece is in hard contact with the gear, which can easily generate high-frequency vibrations during the deburring process, affecting the stability and accuracy of gear processing. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a gear clamping mechanism in a gear deburring device that can improve processing accuracy.

[0006] The purpose of this utility model can be achieved through the following technical solution: a gear clamping mechanism in a gear deburring device includes a bracket, a cylinder vertically mounted on the bracket, and a positioning block mounted below the cylinder, wherein the positioning block is rotatably connected to the cylinder piston rod. The feature is that a buffer block made of polyurethane material is attached to and fixed on the bottom surface of the positioning block. The bottom surface of the buffer block is a plane, and the buffer block forms a circumferential fit with the positioning block through a linkage structure.

[0007] In use, the buffer block presses down on the gear workpiece, and the positioning block and buffer block rotate with the gear workpiece.

[0008] This clamping mechanism utilizes a buffer block made of polyurethane material to contact and press against the gear workpiece. The buffer block not only uses the high resilience of the material to distribute the clamping force evenly on the gear end face, preventing deformation caused by local stress concentration, but also effectively absorbs the high-frequency vibration generated during the burr removal process, reduces resonance between the fixture and the gear, improves processing stability, and thus effectively improves the gear processing accuracy.

[0009] In the gear clamping mechanism of the aforementioned gear deburring equipment, a cavity with a shape and size matching the buffer block is provided on the bottom surface of the positioning block, and the upper end of the buffer block is inserted and fixed in the cavity.

[0010] In the gear clamping mechanism of the aforementioned gear deburring equipment, the linkage structure includes a ring of notches formed on the side wall of the cavity. Matching blocks are formed on the side of the buffer block, matching the notches in number. The number of matching blocks and notches is the same, and the matching blocks are inserted into the corresponding notches. The matching blocks engage with the notches, creating a stable circumferential fit between the buffer block and the positioning block, ensuring the buffer block stably follows the gear's rotation and improving operational stability.

[0011] In the gear clamping mechanism of the aforementioned gear deburring equipment, the sidewall of the cavity is a circumferential wall, and the notch is an arc shape coaxial with the cavity, so as to make the mating block and the notch fit more stably.

[0012] As another option, in the gear clamping mechanism of the aforementioned gear deburring equipment, the linkage structure includes a ring of insertion holes on the bottom wall of the cavity, and a column matching the insertion holes is formed on the top surface of the buffer block. The number of columns and insertion holes are the same, and the upper end of the column is inserted into the corresponding insertion hole.

[0013] In the gear clamping mechanism of the aforementioned gear deburring equipment, the buffer block is provided with a vertically penetrating connecting hole, and the connecting hole and the central axis of the buffer block are collinear. Providing the connecting hole reduces the weight of the buffer block and increases its buffering performance.

[0014] In the gear clamping mechanism of the aforementioned gear deburring equipment, the connecting hole is a stepped hole. A screw is installed inside the connecting hole, and the screw shank is screwed into a positioning block. An annular washer is also fitted onto the screw shank, with both ends of the annular washer pressing against the screw head and the stepped surface of the connecting hole, respectively. This design facilitates the installation and positioning of the buffer block.

[0015] Compared with existing technologies, the gear clamping mechanism in this gear deburring equipment has the following advantages:

[0016] 1. This clamping mechanism uses a buffer block made of polyurethane material to contact and press against the gear workpiece. The buffer block can not only use the high resilience of the material to distribute the clamping force evenly on the gear end face and prevent deformation caused by local stress concentration, but also effectively absorb the high-frequency vibration generated during the burr removal process, reduce the resonance between the fixture and the gear, improve the processing stability, and thus effectively improve the gear processing accuracy.

[0017] 2. The mating block and the notch fit together to form a stable circumferential fit between the buffer block and the positioning block, ensuring that the buffer block follows the gear rotation stably and improving working stability. Attached Figure Description

[0018] Figure 1 This is a 3D schematic diagram of a gear deburring equipment.

[0019] Figure 2 This is a three-dimensional schematic diagram of the gear clamping mechanism after the buffer block has been removed.

[0020] Figure 3 This is a cross-sectional schematic diagram of the gear clamping mechanism.

[0021] In the diagram, 1 is the bracket; 2 is the cylinder; 3 is the positioning block; 3a is the cavity; 3b is the notch; 4 is the support rod; 5 is the bearing; 6 is the buffer block; 6a is the connecting hole; 6b is the mating block; 7 is the screw; and 8 is the annular washer. Detailed Implementation

[0022] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0023] Example 1

[0024] like Figure 1 As shown, the gear clamping mechanism in this gear deburring equipment includes a bracket 1, a cylinder 2 vertically mounted on the bracket 1, and a positioning block 3 located below the cylinder 2.

[0025] in,

[0026] The positioning block 3 is rotatably connected to the piston rod of the cylinder 2. Specifically, a support rod 4 is vertically provided between the positioning block 3 and the piston rod of the cylinder 2. The upper end of the support rod 4 is fixedly connected to the piston rod of the cylinder 2, and the lower end of the support rod 4 is connected to the positioning block 3 through a bearing 5, so that the positioning block 3 can both rise and fall with the piston rod of the cylinder 2 and rotate relative to the piston rod of the cylinder 2.

[0027] like Figure 1 and Figure 3As shown, a buffer block 6 made of polyurethane material is attached to and fixed on the bottom surface of the positioning block 3. The bottom surface of the buffer block 6 is flat, and the buffer block 6 forms a circumferential fit with the positioning block 3 through a linkage structure.

[0028] In use, the buffer block 6 presses down on the gear workpiece, and the positioning block 3 and the buffer block 6 rotate with the gear workpiece.

[0029] This clamping mechanism utilizes a buffer block 6 made of polyurethane material to contact and press against the gear workpiece. The buffer block 6 not only uses the high resilience of the material to distribute the clamping force evenly on the gear end face, preventing deformation caused by local stress concentration, but also effectively absorbs the high-frequency vibration generated during the burr removal process, reduces resonance between the fixture and the gear, improves processing stability, and thus effectively improves the gear processing accuracy.

[0030] In this embodiment,

[0031] like Figure 2 and Figure 3 As shown, the buffer block 6 is installed as follows: a cavity 3a, matching the shape and size of the buffer block 6, is formed on the bottom surface of the positioning block 3, and the upper end of the buffer block 6 is inserted and fixed in the cavity 3a. Specifically, the buffer block 6 has a vertically penetrating connecting hole 6a, and the connecting hole 6a and the buffer block 6 are collinear. The connecting hole 6a reduces the weight of the buffer block 6 and increases its buffering performance. The connecting hole 6a is a stepped hole, and a screw 7 is installed inside it. The shank of the screw 7 is screwed into the positioning block 3, and an annular washer 8 is fitted onto the shank of the screw 7. The two ends of the annular washer 8 press against the head of the screw 7 and the stepped surface of the connecting hole 6a, respectively. This design facilitates the installation and positioning of the buffer block 6.

[0032] Naturally, the buffer block 6 can also be directly fixed to the bottom wall of the cavity 3a by adhesive bonding.

[0033] like Figure 2 and Figure 3 As shown, the linkage structure is as follows: The linkage structure includes a ring of notches 3b formed on the side wall of the cavity 3a. The side of the buffer block 6 has mating blocks 6b that match the notches 3b. The number of mating blocks 6b and notches 3b is the same, and the mating blocks 6b are inserted into the corresponding notches 3b. The mating blocks 6b and notches 3b engage to form a stable circumferential fit between the buffer block 6 and the positioning block 3, ensuring that the buffer block 6 stably follows the rotation of the gear and improving operational stability. Further explanation: the side wall of the cavity 3a is a circular wall, and the notches 3b are coaxial with the cavity 3a in an arc shape, to make the mating blocks 6b and notches 3b engage more stably.

[0034] Example 2

[0035] The structure and principle of this embodiment are basically the same as those of embodiment one. The difference is that the linkage structure includes a ring of insertion holes on the bottom wall of the cavity 3a, and the top surface of the buffer block 6 is formed with a column that matches the insertion holes. The number of columns and insertion holes are the same, and the upper end of the column is inserted into the corresponding insertion hole.

[0036] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A gear clamping mechanism in a gear deburring device, comprising a bracket (1), a cylinder (2) vertically mounted on the bracket (1), and a positioning block (3) positioned below the cylinder (2), wherein the positioning block (3) is rotatably connected to the piston rod of the cylinder (2), characterized in that, A buffer block (6) made of polyurethane material is attached to and fixed on the bottom surface of the positioning block (3). The bottom surface of the buffer block (6) is flat, and the buffer block (6) forms a circumferential fit with the positioning block (3) through a linkage structure.

2. The gear clamping mechanism in the gear deburring equipment according to claim 1, characterized in that, The bottom surface of the positioning block (3) is provided with a cavity (3a) that matches the shape and size of the buffer block (6), and the upper end of the buffer block (6) is inserted and fixed in the cavity (3a).

3. The gear clamping mechanism in the gear deburring equipment according to claim 2, characterized in that, The linkage structure includes a ring of notches (3b) on the side wall of the cavity (3a), and a mating block (6b) matching the notch (3b) is formed on the side of the buffer block (6). The number of mating blocks (6b) and notches (3b) is the same, and the mating blocks (6b) are inserted into the corresponding notches (3b).

4. The gear clamping mechanism in the gear deburring equipment according to claim 3, characterized in that, The sidewall of the cavity (3a) is a circumferential wall, and the notch (3b) is an arc shape coaxial with the cavity (3a).

5. The gear clamping mechanism in the gear deburring equipment according to claim 2, characterized in that, The linkage structure includes a ring of insertion holes on the bottom wall of the cavity (3a), and a column matching the insertion holes is formed on the top surface of the buffer block (6). The number of columns and insertion holes are the same, and the upper end of the column is inserted into the corresponding insertion hole.

6. The gear clamping mechanism in the gear deburring equipment according to claim 2, characterized in that, The buffer block (6) has a vertically penetrating connecting hole (6a), and the connecting hole (6a) and the buffer block (6) are collinear.

7. The gear clamping mechanism in the gear deburring equipment according to claim 1, characterized in that, The type of connecting hole (6a) is a stepped hole. A screw (7) is provided in the connecting hole (6a). The screw (7) shank is screwed into the positioning block (3). An annular washer (8) is also fitted on the screw (7) shank. The two ends of the annular washer (8) press against the head of the screw (7) and the stepped surface of the connecting hole (6a) respectively.

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